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DMA-API: amba: get rid of separate dma_mask

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AMBA Primecell devices always treat streaming and coherent DMA exactly
the same, so there's no point in having the masks separated.

Acked-by: Grant Likely <[email protected]>
Signed-off-by: Russell King <[email protected]>
This commit is contained in:
Russell King 2013-06-27 10:25:33 +01:00
commit 446b2a9380
3 changed files with 1 additions and 10 deletions
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6
drivers/amba/bus.c
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@ -552,7 +552,6 @@ amba_aphb_device_add(struct device *parent, const char *name,
if (!dev)
return ERR_PTR(-ENOMEM);
dev->dma_mask = dma_mask;
dev->dev.coherent_dma_mask = dma_mask;
dev->irq[0] = irq1;
dev->irq[1] = irq2;
@ -619,7 +618,7 @@ static void amba_device_initialize(struct amba_device *dev, const char *name)
dev_set_name(&dev->dev, "%s", name);
dev->dev.release = amba_device_release;
dev->dev.bus = &amba_bustype;
dev->dev.dma_mask = &dev->dma_mask;
dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
dev->res.name = dev_name(&dev->dev);
}
@ -663,9 +662,6 @@ int amba_device_register(struct amba_device *dev, struct resource *parent)
amba_device_initialize(dev, dev->dev.init_name);
dev->dev.init_name = NULL;
if (!dev->dev.coherent_dma_mask && dev->dma_mask)
dev_warn(&dev->dev, "coherent dma mask is unset\n");
return amba_device_add(dev, parent);
}